Exam 3 Quiz

Question 1

What factors determine rate of pulmonary and systemic gas

Answer 1

Partial pressure difference of gases
Surface areal available for gas exchange
Diffusion distance
Molecular weight and solubility

Question 2

What indicates the direction of gases at the pulmonary alveoli of the lungs?

Answer 2

Oxygen in, CO2 out

Question 3

TX for gangrene if antibiotics don’t work

Answer 3

Hyperbaric oxygenation

Question 4

Dominant method of CO2 transport in blood

Answer 4

Dissolved in plasma as bicarbonate ions

Question 5

When blood pH drops, what happens to oxyhemoglobin and oxygen delivery to tissue cells

Answer 5

Oxyhemoglobin decreases and oxygen to the tissue increases

Question 6

Most important factor that determines % of oxygen saturation in hemoglobin

Answer 6

Po2, Partial pressure of oxygen

Question 7

Where is the rhythmicity center for respiration?

Answer 7

The medulla oblongata

Question 8

Neurons of the pontine respiratory group transmit nerve impulses to the

Answer 8

Medulla

Question 9

What causes lymph from small intestines to appear white?

Answer 9

Lipids

Question 10

Left subclavian vein receives lymph from

Answer 10

The thoracic duct

Question 11

Skeletal muscle and respiratory pumps are used in

Answer 11

Lymphoid, immune and cardiovascular systems

Question 12

What part of the thymus are T cells thought to die in?

Answer 12

Thymi’s (Hassall’s) corpuscles

Question 13

Name a function of the spleen

Answer 13

Removes worn out RBCs

Question 14

An anti-microbial substance that promotes cytolysis, phagocytosis and inflammation

Answer 14

Complete proteins

Question 15

Genetic recombination generates diversity in what part of the immune system?

Answer 15

Antigen receptors

Question 16

Which cells have the greatest variety in the immune system

Answer 16

Lymphocytes

Question 17

Site of sperm production

Answer 17

Seminiferous tubules

Question 18

What hormone stimulates interstitial endocrine cells of testes to secrete testosterone?

Answer 18

(LH) Luteinizing hormone

Question 19

What structure is posterior to the urinary bladder and anterior to the rectum and secretes an alkaline, fructose filled fluid?

Answer 19

Seminal vesicles

Question 20

Which are produced and released from the ovaries?

Answer 20

Estrogen, progesterone and secondary ooocytes

Question 21

What part of the uterus opens into the vagina?

Answer 21

The Cervix

Question 22

Paraurethral (Skene’s) glands secrete

Answer 22

Mucus

Question 23

In oogenisis which cells are the products of meiosis 11

Answer 23

Secondary oocyte and second polar body

Question 24

Which hormone triggers ovulation

Answer 24

(LH) Luteinizing hormone

Question 25

Hormone secreted by corpus outrun after ovulation

Answer 25

Progesterone and relaxin

Question 26

What is the difference between lymph and interstitial fluid?

Answer 26

The location

Question 27

What is co-stimulation?

Answer 27

A secondary signal that immune cells use to activate an immune response to an antigen cell

Question 28

Name one mechanism lymphatic vessles use to return fluid to the heart

Answer 28

Respiratory pump/ draw

Question 29

What is the difference between innate and adaptive immunity?

Answer 29

Innate immunity a baby gets from the mother and is a general response to any antigen. Adaptive immunity responds to specific antigens and remembers them.

Question 30

What do help T cells do?

Answer 30

Help activate B cells and cytotoxic cells

Question 31

Define genetic recombination

Answer 31

Recombining genes on T and B cells to produce new antigen receptors

Question 32

What is an epitope?

Answer 32

The part of the antigen that the antibody attaches itself to